diff options
Diffstat (limited to 'src/leap/services')
| -rw-r--r-- | src/leap/services/eip/eipconfig.py | 42 | ||||
| -rw-r--r-- | src/leap/services/eip/tests/test_vpngatewayselector.py | 86 |
2 files changed, 113 insertions, 15 deletions
diff --git a/src/leap/services/eip/eipconfig.py b/src/leap/services/eip/eipconfig.py index a85fe64a..97eb3dfb 100644 --- a/src/leap/services/eip/eipconfig.py +++ b/src/leap/services/eip/eipconfig.py @@ -21,7 +21,6 @@ Provider configuration import logging import os import re -import datetime import time import ipaddr @@ -39,17 +38,21 @@ class VPNGatewaySelector(object): VPN Gateway selector. """ - def __init__(self, eipconfig): + def __init__(self, eipconfig, tz_offset=None): ''' Constructor for VPNGatewaySelector. :param eipconfig: a valid EIP Configuration. :type eipconfig: EIPConfig + :param tz_offset: use this offset as a local distance to GMT. + :type tz_offset: int ''' leap_assert_type(eipconfig, EIPConfig) - self._local_offset = 0 # defaults to GMT - self._local_timezone = None - self._set_local_offset() + + self._local_offset = tz_offset + if tz_offset is None: + self._local_offset = self._get_local_offset() + self._eipconfig = eipconfig def get_gateways(self): @@ -89,21 +92,29 @@ class VPNGatewaySelector(object): :returns: distance between local offset and param offset. :rtype: int ''' - delta1 = datetime.timedelta(hours=offset) - delta2 = self._local_offset - diff = abs(delta1 - delta2) - hours = diff.seconds / (60 * 60) - return hours - - def _set_local_offset(self): + timezones = range(-11, 13) + tz1 = offset + tz2 = self._local_offset + distance = abs(timezones.index(tz1) - timezones.index(tz2)) + if distance > 12: + if tz1 < 0: + distance = timezones.index(tz1) + timezones[::-1].index(tz2) + else: + distance = timezones[::-1].index(tz1) + timezones.index(tz2) + + return distance + + def _get_local_offset(self): ''' - Sets the distance between GMT and the local timezone. + Returns the distance between GMT and the local timezone. + + :rtype: int ''' local_offset = time.timezone if time.daylight: local_offset = time.altzone - self._local_offset = datetime.timedelta(seconds=-local_offset) + return local_offset / 3600 class EIPConfig(BaseConfig): @@ -176,7 +187,7 @@ class EIPConfig(BaseConfig): index = 0 logger.warning("Provided an unknown gateway index %s, " + "defaulting to 0") - ip_addr_str = gateways[0]["ip_address"] + ip_addr_str = gateways[index]["ip_address"] try: ipaddr.IPAddress(ip_addr_str) @@ -233,6 +244,7 @@ if __name__ == "__main__": if eipconfig.load("leap/providers/bitmask.net/eip-service.json"): print eipconfig.get_clusters() print eipconfig.get_gateways() + print eipconfig.get_locations() print eipconfig.get_openvpn_configuration() print eipconfig.get_serial() print eipconfig.get_version() diff --git a/src/leap/services/eip/tests/test_vpngatewayselector.py b/src/leap/services/eip/tests/test_vpngatewayselector.py new file mode 100644 index 00000000..250e6e00 --- /dev/null +++ b/src/leap/services/eip/tests/test_vpngatewayselector.py @@ -0,0 +1,86 @@ +# -*- coding: utf-8 -*- +# test_vpngatewayselector.py +# Copyright (C) 2013 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +tests for vpngatewayselector +""" + +import unittest + +from leap.services.eip.eipconfig import EIPConfig, VPNGatewaySelector +from leap.common.testing.basetest import BaseLeapTest +from mock import Mock + + +sample_gateways = [ + {u'host': u'gateway1.com', + u'ip_address': u'1.2.3.4', + u'location': u'location1'}, + {u'host': u'gateway2.com', + u'ip_address': u'2.3.4.5', + u'location': u'location2'}, + {u'host': u'gateway3.com', + u'ip_address': u'3.4.5.6', + u'location': u'location3'} +] + +sample_locations = { + u'location1': {u'timezone': u'2'}, + u'location2': {u'timezone': u'-7'}, + u'location3': {u'timezone': u'-4'} +} + + +class VPNGatewaySelectorTest(BaseLeapTest): + """ + VPNGatewaySelector's tests. + """ + def setUp(self): + self.eipconfig = EIPConfig() + self.eipconfig.get_gateways = Mock(return_value=sample_gateways) + self.eipconfig.get_locations = Mock(return_value=sample_locations) + + def tearDown(self): + pass + + def test_correct_order_gmt(self): + gateway_selector = VPNGatewaySelector(self.eipconfig, 0) + gateways = gateway_selector.get_gateways() + self.assertEqual(gateways, [u'1.2.3.4', u'3.4.5.6', u'2.3.4.5']) + + def test_correct_order_gmt_minus_3(self): + gateway_selector = VPNGatewaySelector(self.eipconfig, -3) + gateways = gateway_selector.get_gateways() + self.assertEqual(gateways, [u'3.4.5.6', u'2.3.4.5', u'1.2.3.4']) + + def test_correct_order_gmt_minus_7(self): + gateway_selector = VPNGatewaySelector(self.eipconfig, -7) + gateways = gateway_selector.get_gateways() + self.assertEqual(gateways, [u'2.3.4.5', u'3.4.5.6', u'1.2.3.4']) + + def test_correct_order_gmt_plus_5(self): + gateway_selector = VPNGatewaySelector(self.eipconfig, 5) + gateways = gateway_selector.get_gateways() + self.assertEqual(gateways, [u'1.2.3.4', u'3.4.5.6', u'2.3.4.5']) + + def test_correct_order_gmt_plus_10(self): + gateway_selector = VPNGatewaySelector(self.eipconfig, 10) + gateways = gateway_selector.get_gateways() + self.assertEqual(gateways, [u'2.3.4.5', u'1.2.3.4', u'3.4.5.6']) + + +if __name__ == "__main__": + unittest.main() |